#include <bits/stdc++.h>
using namespace std;

string decode(string S) {
  string ret;
  for( int i = 0; i < 8; i++ ) {
    if( i%2 == 0 ) {
      ret += S[i];
    }else if( S[i] == '2' ) {
      ret += ret;
    }
  }
  return ret;
}

int main() {
  int K;
  cin >> K;
  vector<string> v(16);
  for( int s = 0; s < 16; s++ ) {
    string crypto = "NNUUPPCC";
    crypto[1] = "12"[(s>>0)&1];
    crypto[3] = "12"[(s>>1)&1];
    crypto[5] = "12"[(s>>2)&1];
    crypto[7] = "12"[(s>>3)&1];
    v[s] = decode(crypto);
  }
  sort(v.begin(), v.end());
  cout << v[K-1] << endl;
}